return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-628.042034
Energy at 298.15K 
HF Energy-628.042034
Nuclear repulsion energy270.863553
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3206 3084 0.00      
2 A1 3082 2964 1.65      
3 A1 1425 1371 3.75      
4 A1 1314 1264 19.37      
5 A1 1126 1083 158.89      
6 A1 991 953 0.54      
7 A1 674 649 11.21      
8 A1 461 444 25.89      
9 A1 262 252 2.41      
10 A2 3210 3088 0.00      
11 A2 1414 1361 0.00      
12 A2 903 869 0.00      
13 A2 277 266 0.00      
14 A2 175 168 0.00      
15 B1 3214 3091 0.52      
16 B1 1432 1378 8.16      
17 B1 1316 1265 213.36      
18 B1 966 929 0.90      
19 B1 338 325 0.72      
20 B1 207 199 0.69      
21 B2 3205 3083 1.94      
22 B2 3080 2962 0.04      
23 B2 1414 1360 7.80      
24 B2 1295 1246 13.83      
25 B2 925 890 72.80      
26 B2 732 704 46.15      
27 B2 433 416 38.11      

Unscaled Zero Point Vibrational Energy (zpe) 18538.4 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 17832.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/cc-pVDZ
ABC
0.14818 0.13767 0.13627

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.286 0.000 0.917
O3 1.286 0.000 0.917
C4 0.000 1.411 -0.920
C5 0.000 -1.411 -0.920
H6 0.000 2.290 -0.262
H7 0.000 -2.290 -0.262
H8 0.911 1.395 -1.532
H9 -0.911 1.395 -1.532
H10 -0.911 -1.395 -1.532
H11 0.911 -1.395 -1.532

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47811.47811.79451.79452.33392.33392.39512.39512.39512.3951
O21.47812.57212.64972.64972.87902.87903.57362.84372.84373.5736
O31.47812.57212.64972.64972.87902.87902.84373.57363.57362.8437
C41.79452.64972.64972.82201.09813.75901.09721.09723.01293.0129
C51.79452.64972.64972.82203.75901.09813.01293.01291.09721.0972
H62.33392.87902.87901.09813.75904.57991.80081.80084.00274.0027
H72.33392.87902.87903.75901.09814.57994.00274.00271.80081.8008
H82.39513.57362.84371.09723.01291.80084.00271.82103.33192.7902
H92.39512.84373.57361.09723.01291.80084.00271.82102.79023.3319
H102.39512.84373.57363.01291.09724.00271.80083.33192.79021.8210
H112.39513.57362.84373.01291.09724.00271.80082.79023.33191.8210

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.015 S1 C4 H8 109.467
S1 C4 H9 109.467 S1 C5 H7 105.015
S1 C5 H10 109.467 S1 C5 H11 109.467
O2 S1 O3 120.936 O2 S1 C4 107.732
O2 S1 C5 107.732 O3 S1 C4 107.732
O3 S1 C5 107.732 C4 S1 C5 103.675
H6 C4 H8 110.235 H6 C4 H9 110.235
H7 C5 H10 110.235 H7 C5 H11 110.235
H8 C4 H9 112.172 H10 C5 H11 112.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.750      
2 O -0.467      
3 O -0.467      
4 C -0.190      
5 C -0.190      
6 H 0.108      
7 H 0.108      
8 H 0.087      
9 H 0.087      
10 H 0.087      
11 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.504 4.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.666 0.000 0.000
y 0.000 -31.551 0.000
z 0.000 0.000 -37.982
Traceless
 xyz
x -7.899 0.000 0.000
y 0.000 8.773 0.000
z 0.000 0.000 -0.874
Polar
3z2-r2-1.748
x2-y2-11.115
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.495 0.000 0.000
y 0.000 7.144 0.000
z 0.000 0.000 6.479


<r2> (average value of r2) Å2
<r2> 129.020
(<r2>)1/2 11.359